package com.foreknow.demo19;

/**
 * 100张票，分四个窗口卖完
 */
public class Ticket extends Thread {
    private static int tickets = 100;

    @Override
    public void run() {
        while (true) {
            synchronized (Ticket.class) {
                tickets--;
                if (tickets <= 0) {
                    break;
                }
                try {
                    Thread.sleep(60);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                System.out.println(getName() + ":这是第" + tickets + "号票卖出");
            }
        }
    }
}
